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Sunday, January 19, 2020
Meteorites might be excavating lunar water

Meteorites might be excavating lunar water

(more about Power Words) annual     Adjective for something that happens every year. (in botany) A plant that lives only one year, so it usually has a showy flower and produces many seeds. astronaut     Someone trained to travel into space for research and exploration. atmosphere     The envelope of gases surrounding Earth or another planet. chemical     A substance formed from two…
Astronomers Discover a Portion of a Comet Inside a Meteorite

Astronomers Discover a Portion of a Comet Inside a Meteorite

The early days of the Solar System are hard to piece together from our vantage point, billions of years after it happened. Now a team of scientists have found a tiny chunk of an ancient comet inside an ancient meteorite. They say it sheds light on the early days of the Solar System when planets…
Metal Asteroid Mind May Have Had Volcanoes of Molten Iron

Metal Asteroid Mind May Have Had Volcanoes of Molten Iron

Imagine a time in the Solar System’s past where the asteroids were not solid rock, but blobs of molten iron. It sounds strange, but that may have been the case. And in the right conditions, some of those asteroids would have sprouted volcanoes. One of those asteroids, Psyche, is the destination for a NASA mission.…
Not all the Earth’s Water Originated from Comets

Not all the Earth’s Water Originated from Comets

We have comets and asteroids to thank for Earth’s water, according to the most widely-held theory among scientists. But it’s not that cut-and-dried. It’s still a bit of a mystery, and a new study suggests that not all of Earth’s water was delivered to our planet that way. Hydrogen is the most abundant element in…

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